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Tohaina

16a+400a=550
Whakareatia te 10 ki te 40, ka 400.
416a=550
Pahekotia te 16a me 400a, ka 416a.
a=\frac{550}{416}
Whakawehea ngā taha e rua ki te 416.
a=\frac{275}{208}
Whakahekea te hautanga \frac{550}{416} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.